title: Mass spectrometry of methyl ester of retinoic acid.
authors.forename: A P
authors.initials: AP
authors.lastname: De Leenheer
authors.forename: W E
authors.initials: WE
authors.lastname: Lambert
mesh_terms: D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods; D006801:Humans; D008745:Methylation; D014212:Tretinoin / Q000031:analogs & derivatives* / Q000032:analysis* / Q000097:blood
chemical_list: D014212:Tretinoin; C026296:methyl retinoate